A077972 - OEIS

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A077972 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`2`
`3`		`-5`
`4`		`9`
`5`		`-18`
`6`		`37`
`7`		`-73`
`8`		`146`
`9`		`-293`
`10`		`585`
`11`		`-1170`
`12`		`2341`
`13`		`-4681`
`14`		`9362`
`15`		`-18725`
`16`		`37449`
`17`		`-74898`
`18`		`149797`
`19`		`-299593`
`20`		`599186`
`21`		`-1198373`
`22`		`2396745`
`23`		`-4793490`
`24`		`9586981`
`25`		`-19173961`
`26`		`38347922`
`27`		`-76695845`
`28`		`153391689`
`29`		`-306783378`
`30`		`613566757`
`31`		`-1227133513`
`32`		`2454267026`
`33`		`-4908534053`
`34`		`9817068105`

[1,-1,2,-5,9,-18,37,-73,146,-293,585,-1170,2341, -4681,9362,-18725,37449,-74898,149797,-299593, 599186,-1198373,2396745,-4793490,9586981, -19173961,38347922,-76695845,153391689,-306783378, 613566757,-1227133513,2454267026,-4908534053, 9817068105]

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Last modified April 23 13:41 EDT 2024. Contains 371914 sequences. (Running on oeis4.)